Primary Convener: Branwen Williams, Claremont Colleges, Claremont, CA, United States
Convener: Michele LaVigne, Bowdoin College, Department of Earth and Oceanographic Science, Brunswick, ME, United States
Primary Liaison: Branwen Williams, Claremont Colleges, Claremont, CA, United States
Chairs: Branwen Williams, Claremont McKenna-Pitzer-Scripps Colleges, Claremont, CA, United States and Michele LaVigne, Bowdoin College, Department of Earth and Oceanographic Science, Brunswick, ME, United States
OSPA Liaison: Michele LaVigne, Bowdoin College, Department of Earth and Oceanographic Science, Brunswick, ME, United States
Geochronology and Stratigraphy of the Ekitale Basin, Turkana County, Kenya (758834)
Francis Sousa, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, Stephen Cox, Lamont-Doherty Earth Observatory, Palisades, United States, Sidney R Hemming, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Kevin Hatton, Stony Brook University, Stony Brook, United States, Troy Rasbury, Stony Brook University, Stony Brook, NY, United States, Elena Steponaitis, Tulane University, New Orleans, LA, United States; Tulane University, Department of Earth and Environmental Sciences, New Orleans, LA, United States and Patricia Princehouse, Case Western Reserve University, Cleveland, United States
Insights into the last deglaciation of Alaska from 10Be dating a moraine sequence deposited in the western Alaska Range (701348)
Joseph P Tulenko1, Jason P Briner1, Nicolas E. Young2 and Joerg M Schaefer3, (1)University at Buffalo, Department of Geology, Buffalo, NY, United States, (2)Columbia University of New York, Lamont-Doherty Earth Observatory, Palisades, NY, United States, (3)Lamont-Doherty Earth Observ, Palisades, NY, United States
Mechanisms for a spatial fingerprint of Younger Dryas warming in the southeastern United States (733809)
David Fastovich, University of Wisconsin Madison, Madison, WI, United States, Shaun A Marcott, University of Wisconsin-Madison, Department of Geoscience, Madison, WI, United States, James M Russell, Brown University, Providence, RI, United States and John W Williams, University of Wisconsin, Madison, WI, United States
Tipping Points in the Climate System: Automatic Detection of Abrupt Transitions in Paleoclimate Records (669585)
Witold Bagniewski1, Michael Ghil1,2 and Denis-Didier Rousseau1,3, (1)École Normale Supérieure and PSL University, Geosciences Dept. and Laboratoire de Météorologie Dynamique (CNRS and IPSL), Paris, France, (2)University of California at Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (3)Columbia University, Lamont Doherty Earth Observatory, New York, NY, United States
Comparing Devonian Upper Ocean Redox Trends Across Laurentia Using I/Ca Ratios of Marine Carbonates (688278)
Ruliang He1, Wanyi Lu1, Maya Elrick2, James E Day3 and Zunli Lu1, (1)Syracuse University, Syracuse, NY, United States, (2)University of New Mexico Main Campus, Albuquerque, NM, United States, (3)Illinois State University, Normal, IL, United States
Biostratigraphic and paleoenvironmental inferences for the Late Cretaceous (Coniacian–Maastrichtian) of the São Paulo Plateau (DSDP Site 356) using calcareous nannofossils, ostracods, and geochemical data (703120)
Marcos Antonio Batista dos Santos Filho1, Mauro Daniel Rodrigues Bruno2, Gustavo Nunes Aumond1, Michele Goulart da Silva1, Gerson Fauth2, Rodrigo do Monte Guerra3 and Cristianini Trescastro Bergue4, (1)Unisinos University, Itt Fossil – Instituto Tecnológico de Micropaleontologia, São Leopoldo, Brazil, (2)Unisinos University, itt Fossil - Instituto Tecnológico de Micropaleontologia, São Leopoldo, Brazil, (3)University of Vale do Rio dos Sinos, Technological Institute of Micropaleontology, Sao Leopoldo, Brazil, (4)Universidade Federal do Rio Grande do Sul (UFRGS), Centro de Estudos Costeiros Limnológicos e Marinhos – CECLIMAR, Porto Alegre, Brazil
Deep Ocean storage of heat and CO2 in the Arctic Mediterranean during the last glacial period (705250)
Mohamed Ezat1, Tine Lander Rasmussen2, Mathis Hain3, Mervyn Greaves4, James William Buchanan Rae5, Katarzyna Zamelczyk1, Thomas M Marchitto Jr6, Sönke Szidat7 and Luke Skinner8, (1)The Arctic University of Norway, CAGE - Centre for Arctic Gas Hydrate, Environment and Climate, Department of Geosciences, Tromsø, Norway, (2)Univ Tromso, Tromso, Norway, (3)University of California Santa Cruz, Santa Cruz, United States, (4)University of Cambridge, Godwin Laboratory for Palaeoclimate Research, Cambridge, United Kingdom, (5)University of St Andrews, School of Earth and Environmental Sciences, St Andrews, United Kingdom, (6)Univ Colorado, Boulder, CO, United States, (7)University of Bern, 7Department of Chemistry and Biochemistry & Oeschger Centre for Climate Change Research, Bern, Switzerland, (8)Department of Earth Sciences, Univ. of Cambridge, Cambridge, United Kingdom
Marine Aerosol Contribution to Ice-Wedge Geochemistry: Potential for Paleo-Sea Ice and Paleogeography Reconstructions in the Canadian Arctic (716704)
Kira Michelle Holland, University of Alberta, Edmonton, AB, Canada, Trevor John Porter, University of Toronto Mississauga, Department of Geography, Mississauga, ON, Canada, Alison S Criscitiello, University of Alberta, Earth and Atmospheric Sciences, Edmonton, AB, Canada, Duane G Froese, University of Alberta, Department of Earth and Atmospheric Sciences, Edmonton, AB, Canada and Steve Kokelj, Northwest Territories Geological Survey, Yellowknife, NT, Canada
Palaeo-CO2 reconstructions based on δ11B measured in different morphotypes of Globigerinoides ruber (723959)
Maider Plaza-Morlote1,2, Thomas Ben Chalk2, Elwyn de la Vega2, Natalia Bienzobas1, Manceau Rose3, Laura Rodríguez-Sanz3, Eelco Johan Rohling4, Gavin L Foster2 and Gianluca Marino1,4, (1)Universidade de Vigo, Centro de Investigación Mariña, GEOMA, Palaeoclimatology Lab, Vigo, Spain, (2)University of Southampton, School of Ocean and Earth Science, Southampton, United Kingdom, (3)Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia, (4)Australian National University, Research School of Earth Sciences, Canberra, Australia
Lower Cretaceous paleobotany and stratigraphy insights from the Central South Andean zone of Ecuador (726916)
Daniela Quiroz1, Jorge Toro2, Fabiany Herrera3, Camila Martínez4 and Mónica Carvalho4, (1)Yachay Tech University, Imbabura, Ecuador, (2)Yachay Tech University, School of Earth Sciences, Energy and Environment, Imbabura, Ecuador, (3)Chicago Botanic Garden, Glencoe, IL, United States, (4)Smithsonian Tropical Research Institute, Balboa, Panama
Corals are what they eat: Insights on the robustness of the coral skeleton-bound organic matter δ15N proxy from a feeding and light experiment (732347)
Victoria H Luu1, Anne L Cohen2, Samantha J de Putron3, Vivian M Yao1, Valeria Schmidt1, Tiffany Pham1 and Daniel Mikhail Sigman4, (1)Princeton University, Princeton, NJ, United States, (2)Woods Hole Oceanographic Institution, Geology & Geophysics, Woods Hole, MA, United States, (3)Bermuda Institute of Ocean Sciences, St. Georges, Bermuda, (4)Princeton University, Geosciences, Princeton, NJ, United States
A New Record of the ETM2 and H2 Hyperthermals from the Fifteenmile Creek Area (Bighorn Basin, Wyoming): Implications for the Terrestrial Preservation of Hyperthermals and Their Biotic Response (737702)
Sarah Widlansky1, Ross Secord2, Amy Chew3, Kathryn E Snell4 and William Clyde1, (1)University of New Hampshire, Durham, NH, United States, (2)University of Nebraska Lincoln, Lincoln, NE, United States, (3)Brown University, Providence, RI, United States, (4)University of Colorado Boulder, Department of Geological Sciences, Boulder, CO, United States
Source-to-sink micronutrient cycling between seawater, sediment, and nodules in the South Pacific. (748930)
Isabel Schaal1,2, Evan Paris1,3, Tristan J Horner1 and Ann G Dunlea1, (1)Woods Hole Oceanographic Institution, Marine Chemistry & Geochemistry, Woods Hole, MA, United States, (2)Franklin and Marshall College, Lancaster, PA, United States, (3)Vassar College, Poughkeepsie, NY, United States
Evolution of Central Pacific Sea Surface Temperatures Over the Last 150 ka (753440)
Minda M Monteagudo, Georgia Institute of Technology Main Campus, Atlanta, GA, United States, Jean Lynch-Stieglitz, Georgia Tech, Atlanta, GA, United States, Matthew W Schmidt, Old Dominion University, Ocean, Earth & Atmospheric Sciences, Norfolk, VA, United States and Thomas M Marchitto Jr, Univ Colorado, Boulder, CO, United States
Biogeochemical response to Holocene climate change in deep and shallow lakes: a case study comparison from southeastern Minnesota (769989)
Daniel Maxbauer1, Rae Tennent1, Jordan Shapiro2 and Charles E Umbanhowar Jr3, (1)Carleton College, Geology, Northfield, MN, United States, (2)Carleton College, Geology, Northfield, United States, (3)St. Olaf College, Biology and Environmental Studies, Northfield, MN, United States
“Net result”: using individual foraminifera from plankton tows to investigate the environmental variability recorded by different geochemical proxies (770612)
Lael Vetter, University of Arizona, Geosciences, Tucson, AZ, United States, Jennifer S Fehrenbacher, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States and Haojia Abby Ren, National Taiwan University, Taipei, Taiwan
